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  • Title: Sialendoscopic findings in patients with obstructive sialadenitis: long-term experience.
    Author: Chuangqi Y, Chi Y, Lingyan Z.
    Journal: Br J Oral Maxillofac Surg; 2013 Jun; 51(4):337-41. PubMed ID: 22884848.
    Abstract:
    During a 9-year period from October 2002 to October 2011, 561 patients with swelling in the submandibular gland (n=474) and parotid gland (n=87) were successfully studied using sialendoscopy, and the features and pathological changes of the duct evaluated and recorded. Abnormalities were noted in 552/561 cases (98%), and normal features in 9 (2%). The pathological changes in 467 submandibular glands were identified both endoscopically and radiographically, and endoscopic findings showed 3 types: sialolith (n=423, 91%), mucus plug (n=15, 3%), and stenosis (n=29, 6%). In 12 cases foreign bodies (fish bones) were found fixed in calculi. In 85 parotid glands the main pathological finding in the duct was stenosis (n=64, 75%, mucus plug (n=12, 14%), and sialolith (n=9, 11%). Several microstructures had been found on sialendoscopy, including sublingual opening, a basin-like structure in the hilar region, a sphincter phenomenon, and hyperplasia. Sialendoscopy can give direct information about the salivary duct, and in some cases indicate the possible mechanism of obstruction.
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